X-Git-Url: https://git.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fedge.c;h=ad6ec02b69e05bfd95cf524d18378e49f1b432c8;hb=bda16410075a63b147179c15aa75640decf17ec7;hp=5491d8ac2885ad7f4a74fcde4fcbbf7496f4a626;hpb=853dd3d76ac22835c5547d765afe557220fe4903;p=tinc

diff --git a/src/edge.c b/src/edge.c
index 5491d8ac..ad6ec02b 100644
--- a/src/edge.c
+++ b/src/edge.c
@@ -83,14 +83,26 @@ void free_edge(edge_t *e) {
 }
 
 void edge_add(edge_t *e) {
-	splay_insert(edge_weight_tree, e);
-	splay_insert(e->from->edge_tree, e);
+	splay_node_t *node = splay_insert(e->from->edge_tree, e);
+
+	if(!node) {
+		logger(DEBUG_ALWAYS, LOG_ERR, "Edge from %s to %s already exists in edge_tree\n", e->from->name, e->to->name);
+		return;
+	}
+
 
 	e->reverse = lookup_edge(e->to, e->from);
 
 	if(e->reverse) {
 		e->reverse->reverse = e;
 	}
+
+	node = splay_insert(edge_weight_tree, e);
+
+	if(!node) {
+		logger(DEBUG_ALWAYS, LOG_ERR, "Edge from %s to %s already exists in edge_weight_tree\n", e->from->name, e->to->name);
+		return;
+	}
 }
 
 void edge_del(edge_t *e) {